水(shui)稻(dao)(dao)恶(e)(e)苗病(bing)(bing)(bing)(bing)是我区水(shui)稻(dao)(dao)上最(zui)主(zhu)要的种(zhong)(zhong)(zhong)传(chuan)病(bing)(bing)(bing)(bing)害(hai),由区农技(ji)(ji)中(zhong)心抽(chou)样送(song)检(jian)经市农技(ji)(ji)中(zhong)心检(jian)测,今年(nian)我区水(shui)稻(dao)(dao)主(zhu)要种(zhong)(zhong)(zhong)植(zhi)品(pin🔜)种(zhong)(zhong)(zhong)稻(dao)(dao)种(zhong)(zhong)(zhong)恶(e)(e)苗病(bing)(bing)(bing)(bing)平(ping)均带菌率为3.6%,最(zui)高8%,带菌率较去年(nian)略低。但鉴于(yu)去年(nian)田间发(fa)病(bing)(bing)(bing)(bing)普遍(bian),今年(nian)恶(e)(e)苗病(bing)(bing)(bing)(bing)仍存在较大(da)流行(xing)风(feng)险。稻(dao)(dao)种(zhong)(zhong)(zhong)药剂处理是控制水(shui)稻(dao)(dao)种(zhong)(zhong)(zhong)传(chuan)病(bing)(bing)(bing)(bing)害(hai)最(zui)经济有效(xiao)的措施,为此希望(wang)各街镇(zhen)及广大(da)种(zhong)(zhong)(zhong)植(zhi)户(hu)引(yin)起(qi)高度重视,认真做好水(shui)稻(dao)(dao)种(zhong)(zhong)(zhong)子处理工作,为今年(💃nian)水(shui)稻(dao)(dao)高产丰收打(da)下良好的基础。具体技(ji)(ji)术要求如下:
一、晒种选种
播前选晴(qing)好天气晒种1~2天,并精选种子,除(chu)去秕(bi)粒(li)病(bing)粒𓄧(li)、减少菌源,以提高(gao)种子的(de)发芽势(shi),增强秧苗抗病(bing)能力。
二(er)、血药净化(hua)处理(li)消毒剂技能
1、解决形式:
每4kg稻(dao)(dao)种(zhong)(亩用(yong)(yong)种(zhong)量)用(yong)(yong)浸(jin)种(zhong)药(yao)(yao)剂9ml,采(cai)用(yong)(yong)二(er)次(ci)稀(xi)(xi)释(shi)法,先加少(shao)量水调(diao)成浆糊状,然后再(zai)加清水6kg稀(xi)(xi)释(shi),配成药(yao)(yao)液。将(jiang)选过的稻(dao)(dao)种(zhong)4kg(亩用(yong)(yong)种(z🍃hong)量)浸(jin)入配成的药(yao)(yao)液中搅(jiao)拌均匀,以(yi)药(yao)(yao)液高出种(zhonꦐg)子(zi)2-3cm为(wei)宜。(若稻(dao)(dao)种(zhong)数量多可(ke)按上述相应(ying)比例配制(zhi))
2、浸(jin🐷)种(zhong)时(shi)间:日平均气(qi)温低于20℃,浸(jin)种(zhong)时(shi)间应(ying)为(wei)60小时(shi),20℃以(yi)上(shang),浸(jin)种(zhong)时(shi)间应(ying)在(zai)48小时(shi)左右(you),具体根(gen)据(ju)气(qi)温变化掌(zhang)握好时(shi)间,但浸(jin)足时(shi)间是保证药效(xiao)的关键(jian)。
三、目光法定程序
1、浸种(zhong)袋(dai)子用(yong)加盖(gai),并放置到阴(yinไ)冷背(bei)光处。严停用(yong)蛇皮袋(dai)进(jin)(jin)🤡(jin)行浸种(zhong),进(jin)(jin)(jin)而反(fan)应作用(yong)。稻种(zhong)杀菌消毒(du)后不必须 再用(yong)温水(shui)冲冼,可进(jin)(jin)(jin)行沥干催芽种(zhong)植。
2、药物制(zhi)剂补救过的(d🐓e)图片种子,勿与口(kou)味、饲草(cao)放(fang)于(yu)一起来,不(bu)(bu)准喂料禽畜,更不(bu)(ꦏbu)准来制(zhi)造(zao)饲草(cao)或商(shang)品。
3、择药(yao)后应防(fang)止出(chu)现(xian)药(yao)液等(deng)(deng)单独排进渔塘、虾塘等(🤪deng)(deng)海产养殖(zhi)业的的地方,防(fang)止出(chu)现(xian)产生鱼(yu)、虾、蟹窒息死(si)亡。
4、除草剂内(nei)包(bao)装箱废(fei)物物不应草率丢去或自己进行预防,要及时归还地(di)方党(dang)委除草剂内(nei)包(bao)装箱废(fei)物🎃物环(huan🥂)保再生资源回收点。
浸种药品木种等详请咨讯日本值保个部门。